Question about Drills
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Posted on Jan 02, 2017
Had the same problem with some makita batteries, Was going to throw them away so decided to take apart and see what was happening. The are made up of 1.5 volt cells soldered together, found that many had .9 volts or less and others had 1.5 or more. This means that some of the cells had gone bad (probably due to lack of chemical reaction). Found that if I collected all of the 1.5 volt together could charge just fine. Problem is it is very hard to get them all soldered back together and even harder to enclose them. If a mfg. could come up with some way to change cells individually they could make a lot of money and save us a lot. So the answer to your question is buy you at least one more battery and recycle your old one.
Posted on Mar 28, 2009
Absolutely not. The risk of damage to the battery is only a minor concern compared to the fire hazard you would be creating.
Posted on Jun 11, 2009
SOURCE: light on ryobi 18v charger
More than likely a defective battery sinse the other ones charge fine..
Bring it back for exchange of another one..
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Posted on Jul 31, 2009
It sounds like your battery is bad. If yellow and green are on for more than 15 minutes it probably a defective battery pack. See page 8 in the manual.
Posted on Nov 24, 2009
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